Not sure why your I2C pins don't work. The processor on the AxonII only supports one set of hardware I2C pins. But you can simulate I2C in software and use any pins you like. If you are using WebbotLib then this does all the coding for you.

I'm not sure why they don't work, I tested every I2C sensor I have and I get nothing-not even 0s, with the same code I used to work.I even tested the I2C sensors in another controller and they work fine.

In Project Designer add an I2C | I2C Master, change the dropdown from 'Hardware' to 'Software'. This will then prompt you for the pins to use for the bus. Then add the slave I2C devices.NB You MUST add external pullup resistors for the two lines - as noted in Project Designer